libpng Malformed cHRM Divide-By-Zero Denial of Service Vulnerability

Bugtraq ID:	49744
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2011-3328
Remote:	Yes
Local:	No
Published:	Sep 22 2011 12:00AM
Updated:	Mar 19 2015 08:46AM
Credit:	<br>Glenn Randers-Pehrson
Vulnerable:	libpng libpng 1.5.4 Apple Mac OS X Server 10.6.6 Apple Mac OS X Server 10.6.5 Apple Mac OS X Server 10.6.4 Apple Mac OS X Server 10.6.3 Apple Mac OS X Server 10.6.2 Apple Mac OS X Server 10.6.1 Apple Mac Os X Server 10.7.2 Apple Mac Os X Server 10.7.1 Apple Mac Os X Server 10.7 Apple Mac Os X Server 10.6.8 Apple Mac Os X Server 10.6.7 Apple Mac OS X Server 10.6 Apple Mac OS X 10.6.5 Apple Mac OS X 10.6.4 Apple Mac OS X 10.6.3 Apple Mac OS X 10.6.2 Apple Mac OS X 10.6.1 Apple Mac Os X 10.7.2 Apple Mac Os X 10.7.1 Apple Mac OS X 10.6 Apple iOS 5.1.1 Apple iOS 5.1 Apple iOS 5.0.1 Apple iOS 5 Apple iOS 4.3.5 Apple iOS 4.3 Apple iOS 4.2 Apple iOS 4.1 Apple iOS 4 Apple iOS 3.2 Apple iOS 3.1 Apple iOS 3.0 Apple iOS 2.1 Apple iOS 2.0 Apple Apple TV 5.0 Apple Apple TV 4.4
Not Vulnerable:	libpng libpng 1.5.5 Apple Mac Os X Server 10.7.3 Apple Mac Os X 10.7.3

libpng Malformed cHRM Divide-By-Zero Denial of Service Vulnerability

libpng is prone to a denial-of-service vulnerability because of a divide-by-zero exception.

Attackers may leverage this issue to crash application using the library, denying service to legitimate users.

libpng version 1.5.4 is affected.

libpng Malformed cHRM Divide-By-Zero Denial of Service Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

libpng Malformed cHRM Divide-By-Zero Denial of Service Vulnerability

Solution:
Updates are available. Please see the references for more information.


Apple Mac OS X Server 10.6.8

• Apple SecUpdSrvr2012-001.dmg
  For Mac OS X Server v10.6.8
  http://www.apple.com/support/downloads/


• Apple SecUpdSrvr2012-002.dmg
  For Mac OS X Server v10.6.8
  http://www.apple.com/support/downloads/

Apple Mac OS X 10.7.2

• Apple MacOSXUpd10.7.3.dmg
  For OS X Lion v10.7.2
  http://www.apple.com/support/downloads/

Apple Mac OS X Server 10.7.1

• Apple MacOSXServerUpdCombo10.7.3.dmg
  For OS X Lion Server v10.7 and v10.7.1
  http://www.apple.com/support/downloads/

Apple Mac OS X 10.6.8

• Apple SecUpd2012-001Snow.dmg
  For Mac OS X v10.6.8
  http://www.apple.com/support/downloads/


• Apple SecUpd2012-002Snow.dmg
  For Mac OS X v10.6.8
  http://www.apple.com/support/downloads/

Apple Mac OS X Server 10.7.2

• Apple MacOSXServerUpd10.7.3.dmg
  For OS X Lion Server v10.7.2
  http://www.apple.com/support/downloads/

Apple Mac OS X 10.7.1

• Apple MacOSXUpdCombo10.7.3.dmg
  For OS X Lion v10.7 and v10.7.1
  http://www.apple.com/support/downloads/

Apple Mac OS X Server 10.7

• Apple MacOSXServerUpdCombo10.7.3.dmg
  For OS X Lion Server v10.7 and v10.7.1
  http://www.apple.com/support/downloads/

Apple Mac OS X 10.7

• Apple MacOSXUpdCombo10.7.3.dmg
  For OS X Lion v10.7 and v10.7.1
  http://www.apple.com/support/downloads/

libpng Malformed cHRM Divide-By-Zero Denial of Service Vulnerability

References:

• About the security content of Apple TV 5.1 (Apple)
  
• PNG Reference Library: libpng (libpng)
  
• PNG reference library: libpng Tracker (libpng)
  
• Vulnerability Note VU#477046 libpng malformed cHRM divide-by-zero vulnerability (CERT)